Scarce Blackjack Mamba Folding Knife S/n 0971

I've had the fixed blade Mamba's before but not the folder Anyway the knife has a 3' drop point blade etched logo BLACKJACK KNIVES on one side and MAMBA JAPAN on the other The knife is 7.75' when open and it has a nickel silver bolster and a black rubber grip S/n 0971 Price includes UK delivery